Apologies for the double-comment. Following the guide from here... https://askubuntu.com/questions/838491/systemd-shim-error-after-upgrading-from-16-04-to-16-10/838673#838673
I was able to continue upgrading with these commands: [let upgrader bail out and run dpkg configure] sudo mv /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.bak sudo apt-get install -f sudo apt dist-upgrade sudo apt autoremove Then, to optionally finish cleaning up, check what packages are no longer supported using the command from... https://askubuntu.com/questions/691051/how-to-get-the-list-of-the-unsupported-packages-mentioned-during-the-os-upgrade awk -F\' '/demoted/ {gsub(/ /,"\n",$2); print $2}' /var/log/dist- upgrade/main.log The system in question appears to work fine now, just the usual cleanup of changes for any major OS upgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773859 Title: upgrades to 18.04 fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1773859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs